Joint and Bone Health Promotes Healthy Skin Clinically Tested Non-GMO A Dietary Supplement General Health Family Owned Since 1968 GMP Quality AssuredCollagen peptides from types 1 and 3 bovine collagen are well-known for their roles in bone, joint and skin health. As the most abundant protein in mammals, collagen makes up about 30% of the body's protein. Studies indicate that hydrolyzed collagen may help to support strong bones and healthy joints as well as skin smoothness and hydration.